Cordoba is often estimated to have been the most populous city in 1000AD. How and why did its population fall to its modest present day figure? | AskHistorians Archive Observer

Cordoba is often estimated to have been the most populous city in 1000AD. How and why did its population fall to its modest present day figure?

by RomanAbramovich

*Most populous city in the world in 1000AD, if I didn't make it clear in the question sorry

Tiako

Cordoba was most certainly not the most populous city in the world in 1000 CE, that would almost certainly be Kaifeng. Can you post where you are getting your figures?